vhost: fix vring index check

[dpdk.git] / lib / librte_vhost / socket.c

diff --git a/lib/librte_vhost/socket.c b/lib/librte_vhost/socket.c
index 7c80121..bb8d0d7 100644 (file)
--- a/lib/librte_vhost/socket.c
+++ b/lib/librte_vhost/socket.c
@@ -926,6 +926,12 @@ rte_vhost_driver_register(const char *path, uint64_t flags)
                        ret = -1;
                        goto out_mutex;
                }
+               if (!vsocket->is_server) {
+                       VHOST_LOG_CONFIG(ERR,
+                       "error: zero copy is incompatible with vhost client mode\n");
+                       ret = -1;
+                       goto out_mutex;
+               }
                vsocket->supported_features &= ~(1ULL << VIRTIO_F_IN_ORDER);
                vsocket->features &= ~(1ULL << VIRTIO_F_IN_ORDER);